﻿// Copyright 2007-2015 Chris Patterson, Dru Sellers, Travis Smith, et. al.
//  
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
// this file except in compliance with the License. You may obtain a copy of the 
// License at 
// 
//     http://www.apache.org/licenses/LICENSE-2.0 
// 
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 
// CONDITIONS OF ANY KIND, either express or implied. See the License for the 
// specific language governing permissions and limitations under the License.
namespace MassTransit.AzureServiceBusTransport
{
    using System;
    using System.Collections.Generic;
    using Microsoft.ServiceBus.Messaging;


    public static class ServiceBusHostSettingsExtensions
    {
        public static Uri GetInputAddress(this ServiceBusHostSettings hostSettings, QueueDescription queueDescription)
        {
            var builder = new UriBuilder(hostSettings.ServiceUri);

            builder.Path += queueDescription.Path;
            builder.Query += string.Join("&", GetQueryStringOptions(queueDescription));

            return builder.Uri;
        }

        static IEnumerable<string> GetQueryStringOptions(QueueDescription settings)
        {
            if (settings.EnableExpress)
                yield return "express=true";

            if (settings.AutoDeleteOnIdle > TimeSpan.Zero)
                yield return $"autodelete={settings.AutoDeleteOnIdle.TotalSeconds}";
        }
    }
}